US6831122B2 - Water-absorbing agent, method for the production and the utilization thereof - Google Patents

Water-absorbing agent, method for the production and the utilization thereof Download PDF

Info

Publication number
US6831122B2
US6831122B2 US10/250,826 US25082603A US6831122B2 US 6831122 B2 US6831122 B2 US 6831122B2 US 25082603 A US25082603 A US 25082603A US 6831122 B2 US6831122 B2 US 6831122B2
Authority
US
United States
Prior art keywords
water absorbent
water
phosphate
weight
absorbent polymer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US10/250,826
Other languages
English (en)
Other versions
US20040077796A1 (en
Inventor
Thomas Daniel
Ulrich Riegel
Matthias Weismantel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7671157&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US6831122(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BASF SE filed Critical BASF SE
Assigned to BASF AKTIENGESELLSCHAFT reassignment BASF AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DANIEL, THOMAS, RIEGAL, ULRICH, WEISMANTEL, MATTHIAS
Publication of US20040077796A1 publication Critical patent/US20040077796A1/en
Application granted granted Critical
Publication of US6831122B2 publication Critical patent/US6831122B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/18Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/013Additives applied to the surface of polymers or polymer particles

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
US10/250,826 2001-01-19 2002-01-18 Water-absorbing agent, method for the production and the utilization thereof Expired - Lifetime US6831122B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10102429 2001-01-19
DE10102429 2001-01-19
DE10102429.0 2001-01-19
PCT/EP2002/000484 WO2002060983A2 (de) 2001-01-19 2002-01-18 Wasserabsorbierendes mittel, verfahren zu seiner herstellung und seine verwendung

Publications (2)

Publication Number Publication Date
US20040077796A1 US20040077796A1 (en) 2004-04-22
US6831122B2 true US6831122B2 (en) 2004-12-14

Family

ID=7671157

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/250,826 Expired - Lifetime US6831122B2 (en) 2001-01-19 2002-01-18 Water-absorbing agent, method for the production and the utilization thereof

Country Status (7)

Country Link
US (1) US6831122B2 (zh)
EP (1) EP1366111B2 (zh)
JP (1) JP4991084B2 (zh)
CN (1) CN1250622C (zh)
AT (1) ATE552295T1 (zh)
AU (1) AU2002250836A1 (zh)
WO (1) WO2002060983A2 (zh)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050215966A1 (en) * 2004-03-29 2005-09-29 The Procter & Gamble Company Absorbent member for absorbent articles comprising swellable polymers of high permeability which are capable of forming hydrogels
US20050235336A1 (en) * 2004-04-15 2005-10-20 Kenneth Ma Data storage system and method that supports personal video recorder functionality
US20060173431A1 (en) * 2005-02-01 2006-08-03 Laumer Jason M Absorbent articles comprising polyamine-coated superabsorbent polymers
US20070042363A1 (en) * 2002-04-02 2007-02-22 The Institute of Physical and Chemical Novel polypeptide and nucleic acid encoding the same
US20070129495A1 (en) * 1999-03-05 2007-06-07 Stockhausen Gmbh Powdery, cross-linked absorbent polymers, method for the production thereof, and their use
US20070293617A1 (en) * 2004-11-30 2007-12-20 Basf Aktiengesellschaft Insoluble Metal Sulfates in Water Absorbing Polymeric Particles
US20080234645A1 (en) * 2007-03-23 2008-09-25 Dodge Richard N Absorbent articles comprising high permeability superabsorbent polymer compositions
US20080234420A1 (en) * 2007-03-23 2008-09-25 Smith Scott J High permeability superabsorbent polymer compositions
US20090012486A1 (en) * 2005-12-28 2009-01-08 Basf Se Process for Production of a Water-Absorbing Material
US20090068440A1 (en) * 2005-06-20 2009-03-12 Gunther Bub Production of acrolein, acrylic acid and water-absorbent polymer structures made from glycerine
US20100108944A1 (en) * 2008-09-12 2010-05-06 The Procter & Gamble Company Absorbent Article Comprising Water-Absorbing Material
WO2011042468A2 (de) 2009-10-09 2011-04-14 Basf Se Verfahren zur nachbefeuchtung oberflächennachvernetzter wasserabsorbierender polymerpartikel
WO2011042429A1 (de) 2009-10-09 2011-04-14 Basf Se Verfahren zur nachbefeuchtung oberflächennachvernetzter wasserabsorbierender polymerpartikel
US20110178251A1 (en) * 2008-08-12 2011-07-21 Basf Se Water Absorbing Material
US8003728B2 (en) 2004-03-29 2011-08-23 Basf Aktiengesellschaft Swellable hydrogel-forming polymers having high permeability
EP3031857B1 (en) 2013-12-13 2018-10-17 LG Chem, Ltd. Superabsorbent polymer composition
KR102555843B1 (ko) 2022-10-24 2023-07-14 (주)테라그린 토양개량제용 다기능성 하이드로겔과 이를 포함하는 토양개량제 및 그 제조방법

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0015230A (pt) * 1999-10-21 2002-07-23 Daiso Co Ltd Daiso Kabushiki K Agente de reticulação a base de compostos de poli (éter alìlico)
DE10239074A1 (de) * 2002-08-26 2004-03-11 Basf Ag Wasserabsorbierendes Mittel und Verfahren zu seiner Herstellung
KR20060024401A (ko) 2003-06-06 2006-03-16 바스프 악티엔게젤샤프트 알킬레닐렌 글리콜의 (메트)아크릴산 에스테르 및 이의용도
MXPA05012802A (es) * 2003-06-06 2006-02-22 Basf Ag Ester (met) acrilico de alquilenglicol y su uso.
DE10331450A1 (de) * 2003-07-10 2005-01-27 Basf Ag (Meth)acrylsäureester monoalkoxilierter Polyole und deren Herstellung
FR2876315A1 (fr) * 2004-10-08 2006-04-14 Rhodia Chimie Sa Produit comprenant un support et un revetement comprenant une couche de matiere minerale, son procede de preparation et une utilisation
DE102004051242A1 (de) * 2004-10-20 2006-05-04 Basf Ag Feinteilige wasserabsorbierende Polymerpartikel mit hoher Flüssigkeitstransport- und Absorptionsleistung
US20060173433A1 (en) * 2005-02-01 2006-08-03 Laumer Jason M Absorbent articles comprising polyamine-coated superabsorbent polymers
US20060173432A1 (en) * 2005-02-01 2006-08-03 Laumer Jason M Absorbent articles comprising polyamine-coated superabsorbent polymers
DE102006019157A1 (de) * 2006-04-21 2007-10-25 Stockhausen Gmbh Herstellung von hochpermeablen, superabsorbierenden Polymergebilden
CN101489598B (zh) * 2006-07-19 2015-07-08 巴斯夫欧洲公司 通过聚合单体溶液液滴生产具有较高渗透性的吸水性聚合物颗粒的方法
WO2008055935A2 (en) 2006-11-10 2008-05-15 Basf Se Superabsorbents having superior permeability and conveying properties
US8081958B2 (en) 2006-12-01 2011-12-20 Yahoo! Inc. User initiated invite for automatic conference participation by invitee
US20110042612A1 (en) * 2007-01-29 2011-02-24 Ulrich Riegel Method for Producing White and Color-Stable Water-Absorbing Polymer Particles Having High Absorbency and High Saline Flow Conductivity
DE102007024080A1 (de) * 2007-05-22 2008-11-27 Evonik Stockhausen Gmbh Verfahren zum schonenden Mischen und Beschichten von Superabsorbern
WO2009016054A2 (en) * 2007-07-27 2009-02-05 Basf Se Water-absorbing polymeric particles and method for the production thereof
EP2018877A1 (en) * 2007-07-27 2009-01-28 The Procter and Gamble Company Absorbent article comprising water-absorbing polymeric particles and method for the production thereof
US8148485B2 (en) 2008-03-13 2012-04-03 Nippon Shokubai Co., Ltd. Production method for water-absorbing resin
US8304369B2 (en) 2010-05-07 2012-11-06 Evonik Stockhausen, Llc Superabsorbent polymer having a capacity increase
WO2012045705A1 (de) 2010-10-06 2012-04-12 Basf Se Verfahren zur herstellung thermisch oberflächennachvernetzter wasserabsorbierender polymerpartikel
EP2464680B1 (en) 2010-10-21 2013-10-02 The Procter & Gamble Company Absorbent structures comprising post-crosslinked water-absorbent particles
US20130207037A1 (en) 2010-10-21 2013-08-15 Basf Se Water-Absorbing Polymeric Particles and Method for the Production Thereof
US9126186B2 (en) 2011-11-18 2015-09-08 Basf Se Process for producing thermally surface postcrosslinked water-absorbing polymer particles
WO2013076031A1 (de) 2011-11-22 2013-05-30 Basf Se Superabsorber mit pyrogenem aluminiumoxid
DE102012105440A1 (de) * 2012-06-22 2013-12-24 Chemische Fabrik Budenheim Kg Feuchteregulierendes Material
BR112015022373B1 (pt) * 2013-03-13 2020-08-18 Basf Se Composição umectante e solo tratado
US10207250B2 (en) 2014-02-28 2019-02-19 Nippon Shokubai Co., Ltd. Poly(meth)acrylic acid (salt)-based particulate absorbent
WO2015152299A1 (ja) * 2014-03-31 2015-10-08 株式会社日本触媒 粒子状吸水剤及びその製造方法
JP7265835B2 (ja) * 2014-06-27 2023-04-27 スリーエム イノベイティブ プロパティズ カンパニー 吸収性物品及び製造方法
EP3280780B1 (en) * 2015-04-06 2023-10-11 UPL Limited Water absorbent composition
DE102017126334B4 (de) 2017-11-10 2023-12-07 Dr. Paul Lohmann Gmbh & Co. Kgaa Wässrige Lösung enthaltend Aluminiumionen, Laktationen und Phosphationen sowie Verfahren zu deren Herstellung
JP7116796B2 (ja) 2018-09-28 2022-08-10 株式会社日本触媒 吸水性樹脂粉末の製造方法および吸水性樹脂粉末
WO2020145383A1 (ja) 2019-01-11 2020-07-16 株式会社日本触媒 吸水剤、及び吸水剤の製造方法
SE544700C2 (en) * 2019-05-15 2022-10-18 Stora Enso Oyj Use of bonding resin

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286082A (en) 1979-04-06 1981-08-25 Nippon Shokubai Kagaku Kogyo & Co., Ltd. Absorbent resin composition and process for producing same
DE3523617A1 (de) 1984-07-02 1986-01-23 Nippon Shokubai Kagaku Kogyo Co. Ltd., Osaka Wasserabsorbierendes mittel
WO1987000848A1 (en) 1984-03-12 1987-02-12 The Dow Chemical Company Material for absorbing aqueous fluids
US4732968A (en) * 1985-12-04 1988-03-22 Seitetsu Kagaku Co., Ltd. Process for granulating a water-absorbent resin employing (a) water (b) inorganic powder & (c) surfactant in an inert solvent
WO1992000108A1 (de) 1990-06-29 1992-01-09 Chemische Fabrik Stockhausen Gmbh Pulverförmige, vernetzte, wässrige flüssigkeiten sowie blut absorbierende polymere, verfahren zu ihrer herstellung und ihre verwendung als absorptionsmittel in hygieneartikeln
WO1994015651A1 (de) 1992-12-30 1994-07-21 Chemische Fabrik Stockhausen Gmbh Pulverförmige, unter belastung wässrige flüssigkeiten sowie blut absorbierende polymere, verfahren zu ihrer herstellung und ihre verwendung in textilen konstruktionen für die körperhygiene
WO1995011932A1 (en) 1993-10-27 1995-05-04 Allied Colloids Limited Superabsorbent polymers and products containing them
JPH07165981A (ja) 1993-12-13 1995-06-27 Sekisui Plastics Co Ltd 抗菌性樹脂組成物および抗菌性樹脂粒子の製造方法
US5489469A (en) * 1987-01-28 1996-02-06 Kao Corporation Absorbent composite
US6229062B1 (en) * 1999-04-29 2001-05-08 Basf Aktiengesellschaft Corporation Superabsorbent polymer containing odor controlling compounds and methods of making the same
US20040019342A1 (en) * 2001-09-19 2004-01-29 Kinya Nagasuna Absorbent structure, absorbent article, water-absorbent resin, and its production process and evaluation method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61125436A (ja) 1984-11-20 1986-06-13 Nippon Shokubai Kagaku Kogyo Co Ltd 吸水剤
DE69019049D1 (de) 1989-02-28 1995-06-08 Nippon Catalytic Chem Ind Verfahren zur Herstellung von wasserabsorbierenden Polymeren verbesserter Qualität und die erhaltenen Produkte.
DE69030971T2 (de) 1989-09-04 1997-12-11 Nippon Catalytic Chem Ind Verfahren zur herstellung eines wasserabsorbierenden harzes
EP0605215B1 (en) 1992-12-25 1998-03-25 Nippon Shokubai Co., Ltd. Absorbent and method for production of absorbent resin
US5599335A (en) 1994-03-29 1997-02-04 The Procter & Gamble Company Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286082A (en) 1979-04-06 1981-08-25 Nippon Shokubai Kagaku Kogyo & Co., Ltd. Absorbent resin composition and process for producing same
WO1987000848A1 (en) 1984-03-12 1987-02-12 The Dow Chemical Company Material for absorbing aqueous fluids
DE3523617A1 (de) 1984-07-02 1986-01-23 Nippon Shokubai Kagaku Kogyo Co. Ltd., Osaka Wasserabsorbierendes mittel
US4734478A (en) 1984-07-02 1988-03-29 Nippon Shokubai Kagaku Kogyo Co., Ltd. Water absorbing agent
US4732968A (en) * 1985-12-04 1988-03-22 Seitetsu Kagaku Co., Ltd. Process for granulating a water-absorbent resin employing (a) water (b) inorganic powder & (c) surfactant in an inert solvent
US5489469A (en) * 1987-01-28 1996-02-06 Kao Corporation Absorbent composite
WO1992000108A1 (de) 1990-06-29 1992-01-09 Chemische Fabrik Stockhausen Gmbh Pulverförmige, vernetzte, wässrige flüssigkeiten sowie blut absorbierende polymere, verfahren zu ihrer herstellung und ihre verwendung als absorptionsmittel in hygieneartikeln
WO1994015651A1 (de) 1992-12-30 1994-07-21 Chemische Fabrik Stockhausen Gmbh Pulverförmige, unter belastung wässrige flüssigkeiten sowie blut absorbierende polymere, verfahren zu ihrer herstellung und ihre verwendung in textilen konstruktionen für die körperhygiene
WO1995011932A1 (en) 1993-10-27 1995-05-04 Allied Colloids Limited Superabsorbent polymers and products containing them
JPH07165981A (ja) 1993-12-13 1995-06-27 Sekisui Plastics Co Ltd 抗菌性樹脂組成物および抗菌性樹脂粒子の製造方法
US6229062B1 (en) * 1999-04-29 2001-05-08 Basf Aktiengesellschaft Corporation Superabsorbent polymer containing odor controlling compounds and methods of making the same
US20040019342A1 (en) * 2001-09-19 2004-01-29 Kinya Nagasuna Absorbent structure, absorbent article, water-absorbent resin, and its production process and evaluation method

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8445596B2 (en) 1999-03-05 2013-05-21 Evonik Stockhausen Gmbh Powdery, cross-linked absorbent polymers, method for the production thereof, and their use
US20070129495A1 (en) * 1999-03-05 2007-06-07 Stockhausen Gmbh Powdery, cross-linked absorbent polymers, method for the production thereof, and their use
US20070042363A1 (en) * 2002-04-02 2007-02-22 The Institute of Physical and Chemical Novel polypeptide and nucleic acid encoding the same
US8003728B2 (en) 2004-03-29 2011-08-23 Basf Aktiengesellschaft Swellable hydrogel-forming polymers having high permeability
US20050215966A1 (en) * 2004-03-29 2005-09-29 The Procter & Gamble Company Absorbent member for absorbent articles comprising swellable polymers of high permeability which are capable of forming hydrogels
US20050235336A1 (en) * 2004-04-15 2005-10-20 Kenneth Ma Data storage system and method that supports personal video recorder functionality
US7947771B2 (en) 2004-11-30 2011-05-24 Basf Aktiengesellschaft Insoluble metal sulfates in water absorbing polymeric particles
US20070293617A1 (en) * 2004-11-30 2007-12-20 Basf Aktiengesellschaft Insoluble Metal Sulfates in Water Absorbing Polymeric Particles
US20060173431A1 (en) * 2005-02-01 2006-08-03 Laumer Jason M Absorbent articles comprising polyamine-coated superabsorbent polymers
US20090068440A1 (en) * 2005-06-20 2009-03-12 Gunther Bub Production of acrolein, acrylic acid and water-absorbent polymer structures made from glycerine
US20090012486A1 (en) * 2005-12-28 2009-01-08 Basf Se Process for Production of a Water-Absorbing Material
US8236884B2 (en) * 2007-03-23 2012-08-07 Evonik Stockhausen, Llc High permeability superabsorbent polymer compositions
US20080234420A1 (en) * 2007-03-23 2008-09-25 Smith Scott J High permeability superabsorbent polymer compositions
US8519041B2 (en) 2007-03-23 2013-08-27 Evonik Stockhausen, Llc High permeability superabsorbent polymer compositions
US20080234645A1 (en) * 2007-03-23 2008-09-25 Dodge Richard N Absorbent articles comprising high permeability superabsorbent polymer compositions
US7935860B2 (en) 2007-03-23 2011-05-03 Kimberly-Clark Worldwide, Inc. Absorbent articles comprising high permeability superabsorbent polymer compositions
US8822582B2 (en) 2007-03-23 2014-09-02 Evonik Corporation High permeability superabsorbent polymer compositions
US20110178251A1 (en) * 2008-08-12 2011-07-21 Basf Se Water Absorbing Material
US8404149B2 (en) * 2008-09-12 2013-03-26 The Procter & Gamble Company Absorbent article comprising water-absorbing material
US8562862B2 (en) * 2008-09-12 2013-10-22 Basf Se Water absorbing material
US20100108944A1 (en) * 2008-09-12 2010-05-06 The Procter & Gamble Company Absorbent Article Comprising Water-Absorbing Material
WO2011042429A1 (de) 2009-10-09 2011-04-14 Basf Se Verfahren zur nachbefeuchtung oberflächennachvernetzter wasserabsorbierender polymerpartikel
WO2011042468A2 (de) 2009-10-09 2011-04-14 Basf Se Verfahren zur nachbefeuchtung oberflächennachvernetzter wasserabsorbierender polymerpartikel
EP3031857B1 (en) 2013-12-13 2018-10-17 LG Chem, Ltd. Superabsorbent polymer composition
US10960102B2 (en) 2013-12-13 2021-03-30 Lg Chem, Ltd. Superabsorbent polymer composition
KR102555843B1 (ko) 2022-10-24 2023-07-14 (주)테라그린 토양개량제용 다기능성 하이드로겔과 이를 포함하는 토양개량제 및 그 제조방법

Also Published As

Publication number Publication date
WO2002060983A2 (de) 2002-08-08
AU2002250836A1 (en) 2002-08-12
EP1366111B1 (de) 2012-04-04
CN1501957A (zh) 2004-06-02
EP1366111B2 (de) 2020-04-29
CN1250622C (zh) 2006-04-12
EP1366111A2 (de) 2003-12-03
WO2002060983A3 (de) 2002-11-07
JP2004517728A (ja) 2004-06-17
US20040077796A1 (en) 2004-04-22
JP4991084B2 (ja) 2012-08-01
ATE552295T1 (de) 2012-04-15

Similar Documents

Publication Publication Date Title
US6831122B2 (en) Water-absorbing agent, method for the production and the utilization thereof
US6414214B1 (en) Mechanically stable hydrogel-forming polymers
US20050245684A1 (en) Water absorbing agent and method for the production thereof
US20020128618A1 (en) Hydrogels
US20040265387A1 (en) Super-absorbing hydrogel with specific particle size distribution
EP1846481B1 (en) Polyamine-coated superabsorbent polymers
US7947771B2 (en) Insoluble metal sulfates in water absorbing polymeric particles
CA2433044A1 (en) Hydrogels coated with steric or electrostatic spacers
US20100010461A1 (en) Polyamine Coated Superabsorbent Polymers Having Transient Hydrophobicity
US20030144386A1 (en) Mixtures of hydrogel-forming polymers and building materials
JP2004517179A (ja) 低いモノマー含有分を有する架橋したカルボキシル含有ポリマーの吸水性樹脂
AU2002364396B2 (en) Super-absorbing polymers containing tocopherol
JP2010053296A (ja) 吸水性樹脂の製造方法
WO2006134085A1 (en) Hydrogel-forming polymers with increased permeability and high absorption capacity
EP1858935B1 (en) Water-absorbent crosslinked polymers
KR20210089156A (ko) 고흡수제의 제조 방법
CN101068580B (zh) 能够吸收血液和/或体液的水凝胶
KR20210089157A (ko) 고흡수제의 제조 방법
DE10360394A1 (de) Quellbare hydrogelbildende Polymere mit geringem Feinstaubanteil

Legal Events

Date Code Title Description
AS Assignment

Owner name: BASF AKTIENGESELLSCHAFT, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DANIEL, THOMAS;RIEGAL, ULRICH;WEISMANTEL, MATTHIAS;REEL/FRAME:014691/0146

Effective date: 20011218

STCF Information on status: patent grant

Free format text: PATENTED CASE

CC Certificate of correction
FEPP Fee payment procedure

Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

FPAY Fee payment

Year of fee payment: 4

FPAY Fee payment

Year of fee payment: 8

FPAY Fee payment

Year of fee payment: 12